In this work, for the first time, a 5G/mm-Wave harmonic frequency modulated continuous wave (FMCW) radar with dual Rotman lens-based millimeter identification (mmID) ranging system is proposed enabling ultralong range highly accurate localization future localized sensing cyberphysical systems (CPSs). A detailed characterization of fully-passive mmID presented an estimated maximum cross section (RCS) −35.8 dBsm and 10 dB beamwidth ±50°. The fully overcomes high-gain tradeoff seen in typical...

An all-textile metamaterial absorber is proposed for Ku, K and Ka band applications. The based on square-shaped split ring resonators. design parameters are chosen commonly used electronic textile (E-textile) felt dielectric material. structure demonstrates has a high absorption property of >90% between 13.1 GHz 31.13 GHz. At the same time, it reaches 99% value 16.4 21 features advantages ultra-wideband operability, angular stability polarization insensitivity. A proof-of-concept prototype...

The recent outbreak of the Zika virus (ZIKV) in Americas and multiple studies that linked to cases microcephaly neurological complications have revealed need for cost efficient rapid ZIKV diagnostics tests. Here, a diagnostic platform relying on four-way junction (4WJ)-based biosensor with electrochemical readout using Universal DNA-Hairpin (UDH) probe selective recognition an isothermally amplified RNA fragment is developed. 4WJ structure utilizes electrode-immobilized stem-loop...

For the first time, authors propose a 5G/mmWave multilens-based retrodirective backscatter system capable of large coverage in both azimuth and elevation directions. The structure features two biconvex lenses backed by an array individual backscattering elements (pixels). components are described detail, including cascaded polytetrafluoroethylene (PTFE) pixel array. Subsequently, entire is assembled, its detectability azimuth/elevation measured compared to state-of-the-art. millimeter wave...

With the current development of 5G infrastructure, there presents a unique opportunity for deployment battery-less mmWave reflect-array-based sensors. These fully-passive devices benefit from having larger detectability than alternative solutions to create self-monitoring megastructures. The presented 'smart' skin sensor uses Van-Atta array design enabling ubiquitous local strain monitoring structural health composite materials featuring wide interrogation angles. Proof-of-concept prototypes...

In the coming years, augmented reality (AR) and virtual (VR) based applications will become common place. The proliferation of radar technology strong performance millimeter wave backscatter have presented a unique opportunity to develop low-cost low-power solutions support advent AR/VR. this effort, authors present first its kind RFID for rotational sensing. novel tag design employed takes advantage polarization mismatch linearly polarized antennas as angle between pair is varied. A...

In this effort, we present a fully energy autonomous two-way repeater system for use in nonline-of-sight (NLOS) interrogation of wireless sensor networks. The proposed is based on pair tunnel diode reflection amplifiers, taking advantage the existence negative differential resistance region that exists when device biased at low voltage quantum tunneling region. This enables development an ultralow-cost, ultralow-power means to provide amplification. demonstrates ability extend total read...

For the first time, authors propose a Rotman Lenses-based Harmonic mmlD tag topology featuring an ultra-long interrogation range for future 5G/mm-Wave loT. The proposed system also displays wide-angular coverage with −8.5 dB beamwidth of ±45°, harmonic RCS −37.4 dBsm, while demonstrating longest reported passive systems. Additionally, lens-based provides theoretical x9.6 extension compared to state-of-the-art in fully-passive doubler With maximum 560 m EIRP 75 dBm, this presents paradigm...

For the first time, authors propose a mm-Wave (28 GHz) retrodirective backscatter system capable of large coverage in both azimuth and elevation directions. The structure, inspired by optical cameras, features 3D-lens backed an array individual backscattering elements (pixels). First, concept is presented. Then, components are described detail, including PTFE lens pixels array. Subsequently, entire assembled its combination azimuth/elevation differential Radar Cross Section (RCS) measured,...

The efficacy of the deployment backscatter networks in sensor and internet things has been severely limited by maximum read range radio frequency identification (RFID) tags. work presented here demonstrates a low-power two-way repeater architecture capable increasing extending coverage tags to non-line-of-sight (NLOS) scenarios. This is achieved through use divided tunnel diode-based reflection amplifier optimized for backscattering channels. system reports more than 2X increase semi-passive...

In this work, a mmID tag and reader system operating in the 60 GHz ISM band is proposed. The sticker-form factor-mmID-tag has total footprint of only 3.5 cm by 1.5 fabricated utilizing ultra-low cost inkjet-printed PCB technology components. For first time, low-cost ultra-compact antenna-on-package radar module utilized for system, to provide accurate microlocalization tags 2D space. One proof-of-concept was successfully localized at various steps 5 from range 10 50 with maximum deviation...

The development of virtual reality (VR) and augmented (AR) technologies has drawn great attention in recent times due to the wide variety applications they can enable, spanning from surgery training motion capture everyday users VR spaces. In order further enhance user experience, real-time accurate orientation detection user, authors propose usage a Frequency-Modulated Continuous-Wave (FMCW) radar system with an ultra-low-power, sticker-like mmID that is comprised four backscattering...

The exponentially increasing demand for low-cost and high performance wireless devices modules as a part of the proliferation Internet Things (IoT) digital twins has made investigation into efficient means manufacturing integration these necessary. In this effort, authors report simple low cost RFID module operating in 60GHz Industrial, Scientific Medical (ISM) band equipped with an ultra sensitive flex sensor. reported system is capable detecting continuous flexing sensor while...

Abstract Wireless sensor networks for environmental monitoring are a key feature in developing the Internet of Things. Although there has been much research components wireless sensing nodes, advances creating fully integrated nodes is limited. Furthermore, because most that have developed intended to perform fixed task, each new effort design an node with different functionality must start from scratch. Here we introduce broadly applicable platform development and production nodes. The...

With the development of inkjet-/3D-/4D-printing additive manufacturing technologies, flexible 3D substrate with complex structures can be patterned dielectric, conductive and semi-conductive materials to realize novel RF designs. This paper provides a review state-of-the-art additively manufactured passive devices including antennas frequency selective surfaces (FSS), couplers, where origami-inspired structure enables unprecedented capabilities on-demand continuous tunability deployability....

With the development of Additive Manufacturing Technologies, realization inkjet-3D/-4D printing complex structures for flexible wearable wireless modules has become a reality. This paper provides review current state-of-the-art in semi-passive/fully-passive conformal, sensors, and powering devices. presents advantages mm-Wave additively manufactured both high-speed communications sensing with mmID as well pathogen detection through inkjet-printing multi-material electrochemical sensors...

With the promise of massive deployment 5G/mm-Wave technologies, low-maintenance and highly scalable wireless systems are desirable to meet needs next generation IoT systems. Mm-Wave backscattering devices present great potential for with their compact form factors, minimalist design, available spectrum. This paper provides a review current state-of-the-art in semi-passive RFID/mmID tag technology, non-line-of-sight (NLOS) repeater architecture, energy harvesting enabling low-latency...

With the increasing demand for scalable and high performing wireless devices Digital Twinning applications in industrial systems Metaverse, there is likewise to explore means of "Smart" packaging enabled devices. In this effort, authors report a minimalistic, ultra-lowcost mmID module operating 60 GHz with resistive-based temperature sensor localized sensing applications. The presented system capable simultaneously local self-identifying while maintaining ranging accuracy 5.35 mm. addition,...

The current state of the 5G/mmW (mmWave) wireless base stations makes network densification a challenging task. Its complex design, requires large quantity beam-forming systems, processing components, etc. which when integrating at system level limits bandwidth operation capabilities. In this effort, converged optical and mmW with modulation in domain, simultaneous multiple bands, beams at-a-time is presented for simplification station through use dual-band Rotman lens antenna system....

The development of flexible phased array systems has drawn significant interest due to their adaptive beam steerability and deployable structures support various platforms virtually on every conformal surface. Additively manufactured tile-based offers a lightweight, flexible, massively scalable solution with reduced cost fabrication time. main challenge for such is maintain performance under deformations, which requires calibration the amplitude and/or phase distribution antenna elements. To...